Home / 37,215,383.22-51,349,701.51-21,742,479.72

Finding the Fourth Proportional to 37,215,383.22, 51,349,701.51 and 21,742,479.72

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Solution

The fourth proportional to 37,215,383.22, 51,349,701.51 and 21,742,479.72 is: 30,000,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215,383.22 : 51,349,701.51 = 21,742,479.72 : x
  2. Step 2: Convert to fraction form
    37,215,383.22/51,349,701.51 = 21,742,479.72/x
  3. Step 3: Cross multiply
    37,215,383.22x = 51,349,701.51 × 21,742,479.72
  4. Step 4: Simplify right side
    37,215,383.22x = 1,116,469,843,709,228.25
  5. Step 5: Solve for x
    x = 1,116,469,843,709,228.25/37,215,383.22
  6. Step 6: Final answer
    x = 30,000,224.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.